320273485 has 16 divisors (see below), whose sum is σ = 446435712. Its totient is φ = 216014400.

The previous prime is 320273479. The next prime is 320273507. The reversal of 320273485 is 584372023.

It is not a de Polignac number, because 320273485 - 2⁷ = 320273357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320273485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72871 + ... + 77140.

It is an arithmetic number, because the mean of its divisors is an integer number (27902232).

Almost surely, 2^320273485 is an apocalyptic number.

320273485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320273485 is a deficient number, since it is larger than the sum of its proper divisors (126162227).

320273485 is a wasteful number, since it uses less digits than its factorization.

320273485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150084.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 320273485 is about 17896.1863255834. The cubic root of 320273485 is about 684.1851785082.

The spelling of 320273485 in words is "three hundred twenty million, two hundred seventy-three thousand, four hundred eighty-five".